About
Abby J. Sher is a member at Cozen O’Connor in Philadelphia and practices in the firm’s Global Insurance Department. She advises clients on claims-made insurance policies with particular emphasis on managed care liability, medical malpractice, and life sciences policies. Her representative work includes coverage questions arising from sexual misconduct claims, opioid litigation, bad faith issues, and risk-retention mechanisms under professional liability and general liability insurance policies.
Abby earned her law degree cum laude from the University of Pennsylvania Law School, where she served as senior editor of the Journal of Constitutional Law. She interned for the Honorable Susan Peikes Gantman of the Superior Court of Pennsylvania and for the Montgomery Child Advocacy Project. She received a Distinguished Pro Bono Service Award at graduation for work with the Anti-Defamation League and the Innocence Project. She earned her undergraduate degree cum laude from Brandeis University.
Abby’s insurance practice extends to first-party matters, including advice on arson and fraud claims and analysis of claims-handling obligations after catastrophic losses. Her experience includes issues arising from Superstorm Sandy and Hurricane Irene. She has written about self-insured retentions, large deductibles, bad faith litigation, D&O coverage, and related topics. She also trains claims handlers and speaks at webinars, industry programs, and client seminars on insurance coverage and claims practices.
Abby J. Sher combines insurance coverage counseling, litigation analysis, training, and professional writing in a practice focused on complex claims. Her work requires close review of policy language, claim facts, coverage obligations, risk-retention structures, and bad faith exposure. She advises clients across managed care, medical malpractice, life sciences, professional liability, and general liability contexts. Her academic honors and pro bono recognition complement a practice centered on careful analysis of sophisticated insurance issues and catastrophic-loss claims.
Law Office Affiliations
- Attorney, Cozen O’Connor
- Member, New Jersey State Bar Association
- Member, Pennsylvania Bar Association
- Member, Louis D. Brandeis Law Society
- Member, Claims and Litigation Management Alliance (CLM)
- Member, Professional Liability Underwriting Society (PLUS)
Licensed State
- New Jersey
- Pennsylvania
Education
- University of Pennsylvania Law School
Juris Doctor (JD) (Cum Laude) - Brandeis University
Bachelor of Arts (BA) (Cum Laude)
Awards & Badges





- Insurance
- Insurance Claims
- Insurance Defense
- Medical Malpractice
- Professional Liability





